•  25/02/2023 11:54 AM

I have a theory that the Altar Stone was gifted by the Orcadians to initiate the temple of Stonehenge.

  •  15/01/2020 12:00 AM

This is bedrock at Kirkwall, not quite the correct surface patterning and slightly different sandstone to what I am looking for. This is more yellow than the Altar Stone and is a younger rock. It also lacks surface swirl patterns.